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General Application: Use 1-5 ml per gallon of water or nutrient solution
Proper hydration of ph probes is vital to maintain wick
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the Edv-2500 packs a quite yet powerful punch against the damaging effectives of excessive moisture
16_1/2x22x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Nutrients and Supplements General Application: Use 1-5 mlNordic Pure Custom MERV 8 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition